203420323232 has 36 divisors (see below), whose sum is σ = 465868868850. Its totient is φ = 87180137856.

The previous prime is 203420323231. The next prime is 203420323261. The reversal of 203420323232 is 232323024302.

It can be written as a sum of positive squares in only one way, i.e., 172726684816 + 30693638416 = 415604^2 + 175196^2 .

It is a super-2 number, since 2×203420323232² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203420323231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64864607 + ... + 64867742.

Almost surely, 2^203420323232 is an apocalyptic number.

It is an amenable number.

203420323232 is an abundant number, since it is smaller than the sum of its proper divisors (262448545618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203420323232 is a wasteful number, since it uses less digits than its factorization.

203420323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129732373 (or 129732358 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 203420323232 its reverse (232323024302), we get a palindrome (435743347534).

The spelling of 203420323232 in words is "two hundred three billion, four hundred twenty million, three hundred twenty-three thousand, two hundred thirty-two".